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Published November 16, 2009 | Published
Journal Article Open

Surface-plasmon mode hybridization in subwavelength microdisk lasers

Abstract

Hybridization of surface-plasmon and dielectric waveguide whispering-gallery modes are demonstrated in a semiconductor microdisk laser cavity of subwavelength proportions. A metal layer is deposited on top of the semiconductor microdisk, the radius of which is systematically varied to enable mode hybridization between surface-plasmon and dielectric modes. The anticrossing behavior of the two cavity mode types is experimentally observed via photoluminescence spectroscopy and optically pumped lasing action at a wavelength of λ ~1.3 µm is achieved at room temperature.

Additional Information

© 2009 American Institute of Physics. Received 24 August 2009; accepted 31 October 2009; published 20 November 2009. This work was supported by the DARPA NACHOS program Grant No. W911NF-07–1–0277. The authors would like to thank Kartik Srinivasan for helpful discussion regarding the device processing, Jianxin Chen for growth of the laser material, and the Kavli Nanoscience Institute at Caltech.

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Published - Perahia2009p6529Appl_Phys_Lett.pdf

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August 21, 2023
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